Frost Dates for Brunswick, OH
In Brunswick, OH, the average last spring frost is around Apr 20 and the average first fall frost around Nov 3, for a growing season of about 198 days. For frost-tender plants, wait until May 5, when the chance of frost drops to 10%.
Based on NOAA 1991–2020 records from the Cleveland, OH weather station, 12 miles away, elevation 763 ft. Frost can come earlier in low spots and valleys and later near cities and large lakes.
Frost probability by date
Chance of a 32°F frost after the spring date, or before the fall date.
| Chance | Last spring frost | First fall frost |
|---|---|---|
| 10% | May 5 | Oct 21 |
| 20% | Apr 30 | Oct 26 |
| 30% | Apr 27 | Oct 30 |
| 40% | Apr 23 | Nov 1 |
| 50% | Apr 20 | Nov 3 |
| 60% | Apr 17 | Nov 5 |
| 70% | Apr 14 | Nov 8 |
| 80% | Apr 9 | Nov 12 |
| 90% | Apr 4 | Nov 17 |
Light frost vs. hard freeze
Average (50%) dates for each temperature. Tender plants are damaged at 36°F; most hardy crops survive until 28°F.
| Temperature | Last in spring | First in fall |
|---|---|---|
| Light frost (36°F) | Apr 30 | Oct 22 |
| Frost / freeze (32°F) | Apr 20 | Nov 3 |
| Hard freeze (28°F) | Apr 5 | Nov 13 |
Planting calendar for Brunswick
Transplant Apr 27 – May 11
Transplant May 4 – May 18
Transplant May 4 – May 18
Transplant Apr 27 – May 11
Sow or transplant Apr 27 – May 11
Sow or transplant Apr 27 – May 11
Sow or transplant May 4 – May 18
Sow or transplant Mar 23 – Apr 6
Fall sowing Sep 8 – Oct 6
Fall sowing Sep 8 – Sep 29
Fall sowing Aug 25 – Sep 8
Sow or transplant Mar 23 – Apr 6
Fall sowing Aug 25 – Sep 22
Transplant Apr 6 – Apr 20
Fall sowing Aug 11 – Aug 25
Transplant Mar 30 – Apr 13
Fall sowing Aug 11 – Aug 25
Fall sowing Aug 11 – Aug 25
Fall sowing Sep 22 – Oct 13
Fall sowing Aug 25 – Sep 8
Plant Mar 23 – Apr 6
Based on the average last frost (Apr 20) and first frost (Nov 3). The dashed lines mark those dates. Seed packets list days to maturity; adjust for your varieties.